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This should become a constructive Characterisation of the explicit maximal ideals in Z[X]

; isCommRing = isCommRingℤ
}

ℤCommRing : CommRing Agda.Primitive.lzero
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That is already in Cubical.Algebra.CommRing.Instances.Int


ℤ[X]CommRing : CommRing Agda.Primitive.lzero
ℤ[X]CommRing = record
{ fst = Poly ℤCommRing
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Cubical.Algebra.CommRing.Instances.Polynomials.UnivariatePolyList should be used.



data 𝕌 : Set where
u : 𝕌
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Type should be used instead of Set

; isCommRing = isCommRingℤ[X]
}

ℤ[X]CommRing : CommRing Agda.Primitive.lzero
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ℓ-zero should be used instead of Agda.Primitive.lzero

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